Home / 255,064,854.08-351,978,175.27-142,040,175.58

Finding the Fourth Proportional to 255,064,854.08, 351,978,175.27 and 142,040,175.58

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Solution

The fourth proportional to 255,064,854.08, 351,978,175.27 and 142,040,175.58 is: 196,009,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,064,854.08 : 351,978,175.27 = 142,040,175.58 : x
  2. Step 2: Convert to fraction form
    255,064,854.08/351,978,175.27 = 142,040,175.58/x
  3. Step 3: Cross multiply
    255,064,854.08x = 351,978,175.27 × 142,040,175.58
  4. Step 4: Simplify right side
    255,064,854.08x = 49,995,041,816,296,344
  5. Step 5: Solve for x
    x = 49,995,041,816,296,344/255,064,854.08
  6. Step 6: Final answer
    x = 196,009,136.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.